Side by side
NAU vs Zerra
Both stand on online course marketplaces. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
NAU combines a broad Portuguese course catalog with learner certificates and organizational publishing tools. Its free plan supports entry, while paid access from €20 and business options address expanded use.
Visit NAU Free plan Web
Zerra brings course creation, learner tools, and institutional management into one web platform. Its free plan and mix of marketplace and organization features may suit a range of learning setups, though some courses cost money.
Visit ZerraThe facts
| NAU | Zerra | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | NAU | Zerra |
| Website | nau.edu.pt | zerra.build |
| On online course marketplaces | #72 of 138 | #38 of 138 |
NAU: what it does well
- Hundreds of courses
- Free plan available
- Certificates for completed courses
- Business and corporate academy options
- Mixed course formats
What to know first
- Certificates generally are not degrees or qualifications
- Website is only partially conformant
- Some videos lack captions or transcripts
- Paid access starts at €20
Zerra: what it does well
- Free plan available.
- AI tutors use lesson transcripts and content.
- Quizzes support scoring and automatic grading.
- Institutions can approve courses and view analytics.
- Certificates can be shared or verified.
What to know first
- Web platform only.
- Some courses are paid.
- Learner questions and lesson context go to an AI provider.